Copy of Sin Cos and Tan animated from the unit circle

Author:Althea Gallaway, Tim Elton

See how the functions sin, cos, and tan are defined from the unit circle, extending the definitions beyond the the 0 to 90 degrees that fit nicely inside a right-angled triangle.

New Resources

Squares Question
What Do You See? (2)
Untitled
Linear Equation Graphs: Thin Slice
အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

Math 2 Problem 896
สื่อการลบจำนวนเต็ม
เรขาคณิต
Untitled
Snowman

Discover Topics

Fractal Geometry
Differential Equation
Interest Calculation
Parametric Curves
Trigonometry